Build your own film viewer and with periscope in one.
Look through to view and press the button to change the slides. Comes with 3 slide cards - insects, animals and ocean. All with 12 slides on each card.
Change the viewer to the periscope and see the world from a different angle.
Optical science fun and understanding.
Age 8+ (Tired with Mr 5 a little hard to put together for him definitely need adults help or older child)